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Fair Value Measurements (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Schedule of valued using the compound option pricing model   The assumptions used in the Black-Scholes option-pricing method related to options issued to employees and nonemployees for the years ended 2020 and 2019 is set forth below:
 
 
Year Ended December 31,
 
 
2020
 
 
2019
 
Weighted-average grant date fair value
     $0.83         $0.87  
Expected dividend yield
     0.00%       0.00%  
Expected stock-price volatility
     90.00%       89.00%
 - 
104.00%
 
Risk-free interest rate
     0.53%       1.63%
 - 
2.50%
 
Term of options
     5.60       5.76
 - 
6.08
 
Fair value per share of common stock on date of grant
     $1.16       $1.16  
Exercise price
     $1.16       $1.16  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
The following table presents the Company’s financial assets and liabilities that are measured at fair value (in thousands):

 
 
  
Fair value measurements at September 30, 2022
 
 
  
Balance
 
  
Quoted Prices in
Active Markets
(Level 1)
 
  
Significant Other
Observable Inputs
(Level 2)
 
  
Significant
Unobservable Inputs
(Level 3)
 
Assets
                                   
Cash and cash equivalents
  
$
2,483
 
  
$
2.483
 
  
$
—  
 
  
$
—  
 
 
 
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Total assets measured at fair value
   $ 2,483      $ 2.483      $ —        $ —    
             
 
 
 
  
 
 
 
  
 
 
 

     Fair value measurements at December 31. 2021  
   Balance      Quoted Prices in
Active Markets
(Level 1)
     Significant Other
Observable Inputs
(Level 2)
     Significant
Unobservable Inputs
(Level 3)
 
Assets
                                   
Cash and cash equivalents
   $ 4,338      $ 4,338      $ —        $ —    
    
 
 
    
 
 
    
 
 
    
 
 
 
Total assets measured at fair value
   $ 4,338      $ 4,338      $ —        $ —    
    
 
 
    
 
 
    
 
 
    
 
 
 
Liabilities
                                   
Derivative liabilities
   $ 35,700      $ —        $ —        $ 35,700  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total liabilities measured at fair value
   $ 35,700      $ —        $ —        $ 35,700  
    
 
 
    
 
 
    
 
 
    
 
 
 
The following table presents the Company’s financial assets and liabilities that are measured at fair value (in thousands):
 
 
  
Fair value measurements at December 31, 2021
 
  
Balance
 
  
Quoted Prices
in Active
Markets

(Level 1)
 
  
Significant
Other
Observable
Inputs (Level 2)
 
  
Significant
Unobservable
Inputs

(Level 3)
 
Assets
                                   
Cash and cash equivalents
   $ 4,338      $ 4,338      $ —        $ —    
    
 
 
    
 
 
    
 
 
    
 
 
 
Total assets measured at fair value
     4,338        4,338        —          —    
Liabilities
                                   
Derivative liabilities
     35,700        —          —          35,700  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total liabilities measured at fair value
   $ 35,700      $ —        $ —        $ 35,700  
   
    
Fair value measurements at December 31, 2020
 
    
Balance
    
Quoted Prices

in Active

Markets

(Level 1)
    
Significant

Other

Observable

Inputs (Level 2)
    
Significant

Unobservable

Inputs

(Level 3)
 
Assets
                                   
Cash and cash equivalents
   $ 4,839      $ 4,839      $ —        $ —    
    
 
 
    
 
 
    
 
 
    
 
 
 
Total assets measured at fair value
     4,839        4,839                    
Liabilities
                                   
Derivative liabilities
     35,400        —          —          35,400  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total liabilities measured at fair value
   $ 35,400      $ —        $ —        $ 35,400  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
The following table includes a summary of the derivative liabilities measured at fair value using significant unobservable inputs (Level 3) during the nine months ended September 30, 2022:
 
    
Fair
 
value
 
Balance at December 31, 2021
   $ 35,700  
Change in fair value measurement
     (35,700
    
 
 
 
Balance at September 30, 2022
   $ —    
    
 
 
 
The following table includes a summary of the derivative liabilities measured at fair value using significant unobservable inputs (Level 3) during the years ended December 31, 2021, 2020 and 2019:
 
    
Fair value
 
Beginning Balance at December 31, 2018
   $ —    
Additions
     10,100  
Re-measurement
of fair value
     23,300  
    
 
 
 
Ending Balance at December 31, 2019
     33,400  
Additions
     2,800  
Re-measurement
of fair value
     (800
    
 
 
 
Ending Balance at December 31, 2020
     35,400  
Additions
     —    
Re-measurement
of fair value
     300  
    
 
 
 
Ending Balance at December 31, 2021
   $ 35,700  
Vicker's Vantage    
Schedule of fair value hierarchy of the valuation inputs
Description
  
Level
    
September 30,

2022
    
December 31,

2021
 
Assets:
                          
Investments held in Trust Account – U.S. Treasury Securities Money Market Fund
     1      $ 101,293,086      $ 139,410,739  
Liabilities:
                          
Warrant Liability – Private Placement Warrants
     3      $ 1,162,800      $ 3,351,600  
Conversion Option Liability (see Note 5)
     3      $ —        $ 6,892  
Description
  
Level
    
December 31,
2021
 
Assets:
     
Investments held in Trust Account — U.S. Treasury Securities Money Market Fund
     1      $ 139,410,739  
Liabilities:
     
Warrant Liability — Private Placement Warrants
     3      $ 3,351,600  
Conversion Option Liability (see Note 5)
     3      $ 6,892  
Schedule of quantitative information regarding Level 3 fair value measurements
 
    
As of

September 30,

2022
   
As of

December 31,

2021
 
Stock price
   $ 10.33     $ 10.04  
Strike price
   $ 11.50     $ 11.50  
Term (in years)
     5.00       5.28  
Volatility
     0.0     8.3
Risk-free rate
     4.03     1.28
Dividend yield
     0.0     0.0
Fair value of warrants
   $ 0.17     $ 0.49  
    
As of
December 31,
2021
 
Stock price
   $ 10.04  
Strike price
   $ 11.50  
Term (in years)
     5.28  
Volatility
     8.3
Risk-free rate
     1.28
Dividend yield
     0.0
Fair value of warrants
   $ 0.49  
Schedule of changes in the fair value of warrant liabilities
 
    
Private

Placement
 
Fair value as of January 1, 2021
   $ —    
Initial measurement on January 11, 2021
     7,729,200  
Change in valuation inputs or other assumptions
     (4,104,000
    
 
 
 
Fair value of as of March 31, 2021
     3,625,200  
Change in valuation inputs or other assumptions
     68,400  
    
 
 
 
Fair value of as of June 30, 2021
     3,693,600  
Change in valuation inputs or other assumptions
     1,162,800  
    
 
 
 
Fair value of as of September 30, 2021
     4,856,400  
Change in valuation inputs or other assumptions
     (1,504,800
    
 
 
 
Fair value of as of December 31, 2021
     3,351,600  
Change in valuation inputs or other assumptions
     410,400  
    
 
 
 
Fair value as of March 31, 2022
     3,762,000  
Change in valuation inputs or other assumptions
     (2,530,800
    
 
 
 
Fair value as of June 30, 2022
     1,231,200  
Change in valuation inputs or other assumptions
     (68,400
    
 
 
 
Fair value as of September 30, 2022
   $ 1,162,800  
    
 
 
 
 
    
Conversion

Option

Liability
 
Fair value as of January 1, 2021
   $ —    
Initial measurement on December 20, 2021
     18,727  
Change in valuation inputs or other assumptions
     (11,835
    
 
 
 
Fair value of as of December 31, 2021
     6,892  
Initial measurement on January 10, 2022
     —    
Initial measurement on January 27, 2022
     —    
Change in valuation inputs or other assumptions
     69,896  
    
 
 
 
Fair value as of March 31, 2022
     76,788  
Change in valuation inputs or other assumptions
     (76,788
    
 
 
 
Fair value as of June 30, 2022 and September 30, 2022
   $ —    
    
 
 
 
    
Private
Placement
 
Fair value as of January 1, 2021
   $ —    
Initial measurement on January 11, 2021
     7,729,200  
Change in valuation inputs or other assumptions
     (4,377,600
  
 
 
 
Fair value as of December 31, 2021
   $ 3,351,600  
  
 
 
 
Schedule of valued using the compound option pricing model
    
As of

September 30,
2022
   
As of

December 31,
2021
 
Underlying warrant value
   $ 0.0000     $ 0.0103  
Exercise price
   $ 0.75     $ 0.75  
Holding period
     0.50       0.28  
Risk-free rate
     4.03     1.28
Volatility
     5.3     8.3
Dividend yield
     0.0     0.0
    
December 31,
2021
   
December 20,
2021
(Initial
Measurement)
 
Underlying warrant value
   $ 0.0103     $ 0.0281  
Exercise price
   $ 0.75     $ 0.75  
Holding period
     0.28       0.31  
Risk-free rate %
     1.28     1.19
Volatility%
     8.3     9.3
Dividend yield %
     0.0     0.0
Schedule of change in the fair value of conversion option liability  
Fair value as of January 1, 2021
   $ —    
Initial measurement on December 20, 2021
     18,727  
Change in fair value
     (11,835
  
 
 
 
Fair value as of December 31, 2021
   $ 6,892